Wifi-DensePose claims to track human movement behind walls using ordinary wireless signals – triggering privacy concerns. Yet developers say at best it’s a proof of concept, at worst, “AI slop”.

Abstract: This paper introduces a novel passive and wireless motion sensor that integrates a flexible piezoelectric substrate with a harmonic radar transponder to enable both motion and pressure ...

Long operating as subsidiaries of Genuine Parts Company, NAPA Auto Parts and Motion are set to become standalone public companies next year. GPC announced Feb. 17 that it plans to separate its ...

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen Best laptop cooling pads Best flip ...

Eufy has launched the E20 Motion Sensor in select European markets, positioning it as a reliable trigger for other smart home devices. The sensor works indoors or outdoors, offers a 90° field of view, ...

When your arm moves inside a loose shirt, the fabric does not simply follow along. It ripples, folds, and shifts in ways that exaggerate motion. Those subtle distortions, long treated as measurement ...

DAYTONA BEACH — All that's left in Speedweek 2026 is the Daytona 500. NASCAR ran its third of four races this week at Daytona International Speedway Saturday night, Feb. 14, putting the O'Reilly ...

(Editor's note: The 2026 Daytona 500 start time has been moved up to 1:30 p.m. ET Sunday, Feb. 15. This story has been updated to reflect the change and also to note the O'Reilly Series race starting ...

Most modern cars have tire pressure monitoring systems (TPMS), which will alert you if your tires need air. While most of the readings they give are accurate, they can still fail like any other part ...

CNET staff -- not advertisers, partners or business interests -- determine how we review the products and services we cover. If you buy through our links, we may get paid. Faith Foushee is a CNET ...

Abstract: This paper presents an intermodulation sensor that can backscatter the third and fifth order intermodulation products and modulate each component by the rotational speed of the transponder.